Q: 4a plus 3-a equals 12

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12a

4a+3a-4 = 10 4a+3a = 10+4 7a = 14 a = 2

10a + 3a - 4a = 9a

"a" plus "3a" is equal to 4a. (3a+a=4a). You already have 3 "a's" and then you add another "a."

3a + 15 = 4a Subtract 3a from both sides 15 = a So a is 15.

-7a + 3a = -4a

4a + 3a = (4 + 3)a = 7a

4a + 1 - a =19, rewrite your question, 4a + -a + 1 =19, 3a + 1 =19, subtract 1 from each side 3a = 18, divide by 3, a =6

a < -12

3a + 4 = 4a - 3 4 = a -3 (subtract 3a from each side) 7 = a (add 3 to both sides) a = 7

6-3a**2+7+4a-5a+18 3a**2-1a+31

If you mean: 4a +29 -3a -a +3a then it simplifies to 29 +3a

5x - 8a + 4a - 2x + a = 3x - 3a

7a-17 = 4a+1 7a-4a = 1+17 3a = 18 a = 6

14a - 4a + 5a - 3a = 12a

a=-12

The value of a is -7

If the question was 3a + 4a - a, the answer is 6a. If the question was something else please resubmit using words eg "plus", "divide", "equals" because the browser used for posting questions does not like symbols!

7a-2b

It is: 7a+1 when simplified

(a + 2)(3a - 2)

3a - 2b

3a * * * * * Actually, it is 4a.

Add them together: 3a+4a-a = 6a

It is:12a

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